Home / 7,292,458.80-10,938,688.20-5,164,945.20

Finding the Fourth Proportional to 7,292,458.80, 10,938,688.20 and 5,164,945.20

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Solution

The fourth proportional to 7,292,458.80, 10,938,688.20 and 5,164,945.20 is: 7,747,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,292,458.80 : 10,938,688.20 = 5,164,945.20 : x
  2. Step 2: Convert to fraction form
    7,292,458.80/10,938,688.20 = 5,164,945.20/x
  3. Step 3: Cross multiply
    7,292,458.80x = 10,938,688.20 × 5,164,945.20
  4. Step 4: Simplify right side
    7,292,458.80x = 56,497,725,112,886.64
  5. Step 5: Solve for x
    x = 56,497,725,112,886.64/7,292,458.80
  6. Step 6: Final answer
    x = 7,747,417.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.